<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <title>Swiper demo</title>
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1"
    />

    <!-- Link Swiper's CSS -->
    <link
      rel="stylesheet"
      href="../swiper-bundle.min.css"
    />

    <!-- Demo styles -->
    <style>
      html,
      body {
        position: relative;
        height: 100%;
      }

      body {
        background: #eee;
        font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
        font-size: 14px;
        color: #000;
        margin: 0;
        padding: 0;
      }

      .swiper {
        width: 100%;
        height: 100%;
      }

      .swiper-slide {
        text-align: center;
        font-size: 18px;
        background: #fff;

        /* Center slide text vertically */
        display: -webkit-box;
        display: -ms-flexbox;
        display: -webkit-flex;
        display: flex;
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        -webkit-justify-content: center;
        justify-content: center;
        -webkit-box-align: center;
        -ms-flex-align: center;
        -webkit-align-items: center;
        align-items: center;
      }

      .menu {
        min-width: 100px;
        width: 70%;
        max-width: 320px;

        background-color: #2c8dfb;
        color: #fff;
      }

      .content {
        width: 100%;
      }

      .menu-button {
        position: absolute;
        top: 0px;
        left: 0px;

        padding: 15px;

        cursor: pointer;

        -webkit-transition: 0.3s;
        transition: 0.3s;

        background-color: #2c8dfb;

        /*margin: 14px;
			border-radius: 5px;*/
      }

      .menu-button .bar:nth-of-type(1) {
        margin-top: 0px;
      }

      .menu-button .bar:nth-of-type(3) {
        margin-bottom: 0px;
      }

      .bar {
        position: relative;
        display: block;

        width: 50px;
        height: 5px;

        margin: 10px auto;
        background-color: #fff;

        border-radius: 10px;

        -webkit-transition: 0.3s;
        transition: 0.3s;
      }

      .menu-button:hover .bar:nth-of-type(1) {
        -webkit-transform: translateY(1.5px) rotate(-4.5deg);
        -ms-transform: translateY(1.5px) rotate(-4.5deg);
        transform: translateY(1.5px) rotate(-4.5deg);
      }

      .menu-button:hover .bar:nth-of-type(2) {
        opacity: 0.9;
      }

      .menu-button:hover .bar:nth-of-type(3) {
        -webkit-transform: translateY(-1.5px) rotate(4.5deg);
        -ms-transform: translateY(-1.5px) rotate(4.5deg);
        transform: translateY(-1.5px) rotate(4.5deg);
      }

      .cross .bar:nth-of-type(1) {
        -webkit-transform: translateY(15px) rotate(-45deg);
        -ms-transform: translateY(15px) rotate(-45deg);
        transform: translateY(15px) rotate(-45deg);
      }

      .cross .bar:nth-of-type(2) {
        opacity: 0;
      }

      .cross .bar:nth-of-type(3) {
        -webkit-transform: translateY(-15px) rotate(45deg);
        -ms-transform: translateY(-15px) rotate(45deg);
        transform: translateY(-15px) rotate(45deg);
      }

      .cross:hover .bar:nth-of-type(1) {
        -webkit-transform: translateY(13.5px) rotate(-40.5deg);
        -ms-transform: translateY(13.5px) rotate(-40.5deg);
        transform: translateY(13.5px) rotate(-40.5deg);
      }

      .cross:hover .bar:nth-of-type(2) {
        opacity: 0.1;
      }

      .cross:hover .bar:nth-of-type(3) {
        -webkit-transform: translateY(-13.5px) rotate(40.5deg);
        -ms-transform: translateY(-13.5px) rotate(40.5deg);
        transform: translateY(-13.5px) rotate(40.5deg);
      }
    </style>
  </head>

  <body>
    <!-- Swiper -->
    <div class="swiper">
      <div class="swiper-wrapper">
        <div class="swiper-slide menu">Menu slide</div>
        <div class="swiper-slide content">
          <div class="menu-button">
            <div class="bar"></div>
            <div class="bar"></div>
            <div class="bar"></div>
          </div>
          Content slide
        </div>
      </div>
    </div>

    <!-- Swiper JS -->
    <script src="../swiper-bundle.min.js"></script>

    <!-- Initialize Swiper -->
    <script>
      var menuButton = document.querySelector('.menu-button');
      var openMenu = function () {
        swiper.slidePrev();
      };
      var swiper = new Swiper('.swiper', {
        slidesPerView: 'auto',
        initialSlide: 1,
        resistanceRatio: 0,
        slideToClickedSlide: true,
        on: {
          slideChangeTransitionStart: function () {
            var slider = this;
            if (slider.activeIndex === 0) {
              menuButton.classList.add('cross');
              // required because of slideToClickedSlide
              menuButton.removeEventListener('click', openMenu, true);
            } else {
              menuButton.classList.remove('cross');
            }
          },
          slideChangeTransitionEnd: function () {
            var slider = this;
            if (slider.activeIndex === 1) {
              menuButton.addEventListener('click', openMenu, true);
            }
          },
        },
      });
    </script>
  </body>
</html>
